Dental handpiece



FIG. 1 is an isometric view of a dental handpiece showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a front view thereof, portions shown in broken lines forming no part of the claimed design;

FIG. 4 is a first side view thereof;

FIG. 5 is a bottom view thereof, portions shown in broken lines forming no part of the clamed design; and,

FIG. 6 is a top view thereof, portions shown in broken lines forming no part of the claimed design. 

CLAIM The ornamental design for a dental handpiece, as shown and described. 